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// Amplify Shader Editor - Visual Shader Editing Tool
// Copyright (c) Amplify Creations, Lda <info@amplify.pt>
using System;
using UnityEditor;
using UnityEngine;
namespace AmplifyShaderEditor
{
[Serializable]
[NodeAttributes( "Grab Screen Position", "Camera And Screen", "Screen position correctly transformed to be used with Grab Screen Color" )]
public sealed class GrabScreenPosition : ParentNode
{
private readonly string[] m_outputTypeStr = { "Normalized", "Screen" };
[SerializeField]
private int m_outputTypeInt = 0;
private UpperLeftWidgetHelper m_upperLeftWidget = new UpperLeftWidgetHelper();
protected override void CommonInit( int uniqueId )
{
base.CommonInit( uniqueId );
AddOutputVectorPorts( WirePortDataType.FLOAT4, "XYZW" );
m_autoWrapProperties = true;
m_hasLeftDropdown = true;
m_textLabelWidth = 65;
ConfigureHeader();
}
public override void AfterCommonInit()
{
base.AfterCommonInit();
if( PaddingTitleLeft == 0 )
{
PaddingTitleLeft = Constants.PropertyPickerWidth + Constants.IconsLeftRightMargin;
if( PaddingTitleRight == 0 )
PaddingTitleRight = Constants.PropertyPickerWidth + Constants.IconsLeftRightMargin;
}
}
public override void Destroy()
{
base.Destroy();
m_upperLeftWidget = null;
}
public override void Draw( DrawInfo drawInfo )
{
base.Draw( drawInfo );
EditorGUI.BeginChangeCheck();
m_outputTypeInt = m_upperLeftWidget.DrawWidget( this, m_outputTypeInt, m_outputTypeStr );
if( EditorGUI.EndChangeCheck() )
{
ConfigureHeader();
}
}
public override void DrawProperties()
{
base.DrawProperties();
EditorGUI.BeginChangeCheck();
m_outputTypeInt = EditorGUILayoutPopup( "Type", m_outputTypeInt, m_outputTypeStr );
if( EditorGUI.EndChangeCheck() )
{
ConfigureHeader();
}
}
void ConfigureHeader()
{
SetAdditonalTitleText( string.Format( Constants.SubTitleTypeFormatStr, m_outputTypeStr[ m_outputTypeInt ] ) );
}
public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalVar )
{
if( m_outputPorts[ 0 ].IsLocalValue( dataCollector.PortCategory ) )
return GetOutputColorItem( 0, outputId, m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory ) );
string localVarName = string.Empty;
if( m_outputTypeInt == 0 )
localVarName = GeneratorUtils.GenerateGrabScreenPositionNormalized( ref dataCollector, UniqueId, CurrentPrecisionType, !dataCollector.UsingCustomScreenPos );
else
localVarName = GeneratorUtils.GenerateGrabScreenPosition( ref dataCollector, UniqueId, CurrentPrecisionType, !dataCollector.UsingCustomScreenPos );
m_outputPorts[ 0 ].SetLocalValue( localVarName, dataCollector.PortCategory );
return GetOutputColorItem( 0, outputId, localVarName );
}
public override void ReadFromString( ref string[] nodeParams )
{
base.ReadFromString( ref nodeParams );
if( UIUtils.CurrentShaderVersion() > 3108 )
{
if( UIUtils.CurrentShaderVersion() < 6102 )
{
bool project = Convert.ToBoolean( GetCurrentParam( ref nodeParams ) );
m_outputTypeInt = project ? 0 : 1;
}
else
{
m_outputTypeInt = Convert.ToInt32( GetCurrentParam( ref nodeParams ) );
}
}
ConfigureHeader();
}
public override void WriteToString( ref string nodeInfo, ref string connectionsInfo )
{
base.WriteToString( ref nodeInfo, ref connectionsInfo );
IOUtils.AddFieldValueToString( ref nodeInfo, m_outputTypeInt );
}
}
}
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